Daily Jigsaw Sudoku for May 11
No 5203, Tough

by Andrew Stuart
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
8 2 7 9 4 5 3 1 6
5 4 9 1 7 2 6 3 8
3 6 4 2 1 8 9 7 5
1 9 6 5 3 7 8 4 2
7 8 3 6 5 4 1 2 9
9 3 1 8 2 6 4 5 7
2 5 8 4 9 3 7 6 1
6 7 5 3 8 1 2 9 4
4 1 2 7 6 9 5 8 3